New Linux pedit COW Exploit Allows Attackers to Gain System Root Access

A newly disclosed Linux kernel vulnerability combining a Copy-on-Write (COW) page-cache corruption flaw with the net/sched subsystem’s act_pedit component is enabling unprivileged local attackers to escalate privileges to full root access on several major Linux distributions. The exploit, dubbed packet_edit_meme, has been verified in June 2026 against actively maintained enterprise and consumer kernels. The root […]

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